CN109444132A - A kind of resolution colorimetric device and equipment - Google Patents
A kind of resolution colorimetric device and equipment Download PDFInfo
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- CN109444132A CN109444132A CN201811594908.4A CN201811594908A CN109444132A CN 109444132 A CN109444132 A CN 109444132A CN 201811594908 A CN201811594908 A CN 201811594908A CN 109444132 A CN109444132 A CN 109444132A
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- 239000011521 glass Substances 0.000 claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 29
- 239000013307 optical fiber Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000002798 spectrophotometry method Methods 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000005349 heatable glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003149 assay kit Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention discloses a kind of resolution colorimetric device and equipment, required amount of reagent is more much smaller than existing market product (such as vertical pipe structure) in the present embodiment, in the case where amount of reagent changes lesser situation, realizes the variable and controllable of light path.It only needs to change intermediate glass tube and the change of light path can be thus achieved, optical length then high sensitivity, cuvette of the invention is not necessarily to special processing, and the lens used and glass tube are standard components, reduce costs improve quality controllability and equipment safeguard replaceability.
Description
Technical field
The present invention relates to water quality detection apparatus field more particularly to a kind of resolution colorimetric device and equipment.
Background technique
The method of water quality detection is there are many kind, and wherein spectrophotometry is most widely used.Spectrophotometry is a kind of base
In the water quality detection method of langbobier law, there is the advantages that selective good, high sensitivity, analysis cost is low, and equipment detects,
The measurement to most of water quality factors has been realized at present, becomes the standard method of multiple-quality water factors check.
The photoelectric colorimetry structure of the existing Water Test Kits based on spectrophotometry mostly uses vertical incidence list optical-path light-path
Structure, cuvette diameter is generally 10-20mm, identical as light path, leads to sufficiently bulky, the different manufacturers single for clearing up cuvette
Reagent total amount required for measuring in 10ml-40ml or so, waste reagent and discharge waste liquid also be easy to cause it is biggish secondary
Pollution.In addition, resolution is carried out under high temperature and high pressure environment, cuvette needs to bear larger pressure, existing straight pipe type colorimetric
Ware diameter is not consistent, generally wide at the top and narrow at the bottom, and difficulty of processing is not small, and needs to have been manually done.Patent (CN103018169A)
Iing is proposed that a kind of special-shaped cuvette is realized reduces reagent consumption, and the difficulty of processing of this design is higher.
Summary of the invention
The present invention provides a kind of resolution colorimetric device and equipment, required amount of reagent is than existing market in the present embodiment
Product (such as vertical pipe structure) is much smaller, in the case where amount of reagent changes lesser situation, realizes the variable and controllable of light path.Only
Needing to change intermediate glass tube can be thus achieved the change of light path.Then high sensitivity, cuvette of the invention are not necessarily to optical length
Special processing, the lens used and glass tube are standard components, reduce costs and improve tieing up for quality controllability and equipment
Protect replaceability.
The present invention provides a kind of resolution colorimetric devices, comprising: light source entrance, light source outlet, the first lens, second are thoroughly
Mirror, glass tube, detector and heating module；The light source entrance is arranged on the first focal plane of first lens, passes through institute
The optical signal for stating light source entrance is irradiated on first lens；First lens and second lens are arranged in parallel, institute
It states and is provided with the glass tube between the first lens and second lens, first lens, second lens and described
Glass tube constitutes resolution area, and the optical signal is incident on glass tube after first lens will collimate；The heating
Module wraps the glass tube, for heating the glass tube；The light source outlet is arranged in the second of second lens
On focal plane, the optical signal is collected after the glass tube by second lens, and poly- by second lens
It is defocused, it is incident on the light source outlet；The light source outlet is connect with the detector.
Optionally, further includes: optical fiber；Between light source outlet and the detector, being used for will for the optical fiber setting
The optical signal transmission of light source outlet is to the detector.
Optionally, the detector includes: photodiode and first adapter；The first adapter and the optical fiber
Connection for collecting the optical signal of the optical fiber transmission, and the optical signal is exported to the photodiode.
Optionally, the first liquid entrance is additionally provided between first lens and the glass tube, described second thoroughly
Second liquid entrance is additionally provided between mirror and the glass tube.
Optionally, the resolution colorimetric device is arranged in the first liquid entrance and the second liquid entrance
Two sides, the first liquid entrance and second liquid entrance skew symmetry arrangement.
Optionally, the glass tube both ends are respectively arranged with sealing ring.
Optionally, the light source entrance is connect with first lens by the second connector, the light source outlet and institute
The second lens are stated to connect by third connector；Aperture is provided through on second connector and the third connector.
Optionally, the heating module is heater strip or PTC heating sheet.
Optionally, heat-conducting silicone grease is provided between the heating module and the glass tube.
The present invention provides a kind of resolution colorimetric equipment, including resolution colorimetric device as described in any one of the above embodiments, extruding
Nut and fixed frame；The resolution colorimetric device is fixed on the fixed frame by squeezing nut.
As can be seen from the above technical solutions, the invention has the following advantages that
In the present invention, provide a kind of resolution colorimetric device, the resolution colorimetric device include light source entrance, light source outlet,
First lens, the second lens, glass tube, detector and heating module；The of first lens is arranged in the light source entrance
On one focal plane, the optical signal across the light source entrance is irradiated on first lens；First lens and described second
Lens are arranged in parallel, and are provided with the glass tube between first lens and second lens, first lens, described
Second lens and the glass tube constitute resolution area, and the optical signal is incident on glass after first lens will collimate
Inside pipe；The heating module wraps the glass tube, for heating the glass tube；The light source outlet is arranged described
On second focal plane of the second lens, the optical signal is collected after the glass tube by second lens, and is passed through
After second lens focus, it is incident on the light source outlet；The light source outlet is connect with the detector.Disappeared using above-mentioned
Colorimetric device is solved, required amount of reagent is more much smaller than existing market product (such as vertical pipe structure) in the present embodiment,
Amount of reagent changes in lesser situation, realizes the variable and controllable of light path.Only needing to change intermediate glass tube can be thus achieved
The change of light path, then high sensitivity, cuvette of the invention are not necessarily to special processing to optical length, and the lens used are with glass tube
Standard component, reduce costs improve quality controllability and equipment safeguard replaceability.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of sectional view of one embodiment for clearing up colorimetric device provided by the invention；
Fig. 2 is a kind of structural schematic diagram of one embodiment for clearing up colorimetric device provided by the invention.
Wherein, appended drawing reference are as follows:
1, light source entrance；2, light source exports；3, the first lens；4, the second lens；5, glass tube；6, detector；7, it heats
Module；8, optical fiber；9, the first liquid entrance；10, second liquid entrance；11, nut is squeezed；12, fixed frame；13, thermometric
Element.
Specific embodiment
The embodiment of the invention provides a kind of resolution colorimetric device and equipment, required amount of reagent is than existing in the present embodiment
Have market product (such as vertical pipe structure) much smaller, in the case where amount of reagent changes lesser situation, realize the variable of light path with
Controllably.Only needing to change intermediate glass tube can be thus achieved the change of light path, optical length then high sensitivity, colorimetric of the invention
Ware is not necessarily to special processing, and the lens used and glass tube are standard components, reduces costs and improves quality controllability and equipment
Safeguard replaceability.
The description and claims of this application and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of one embodiment for clearing up colorimetric device, comprising:
Light source entrance 1, light source export the 2, first lens 3, the second lens 4, glass tube 5, detector 6 and heating module 7；
Light source entrance 1 is arranged on the first focal plane of the first lens 3, and the optical signal across light source entrance 1 is irradiated to first
On lens 3；
First lens 3 and the second lens 4 are arranged in parallel, and glass tube 5 is provided between the first lens 3 and the second lens 4, the
One lens 3, the second lens 4 and glass tube 5 constitute resolution area, and optical signal is incident on glass tube after the first lens 3 will collimate
Inside 5；
Heating module 7 wraps glass tube 5, is used for heatable glass tube 5；
Light source outlet 2 is arranged on the second focal plane of the second lens 4, and optical signal is behind 5 inside of glass tube, thoroughly by second
Mirror 4 is collected, and after the focusing of the second lens 4, is incident on light source outlet 2；
Light source outlet 2 is connect with detector 6.
In the present embodiment, light source entrance 1 is the region of light source incidence, it is preferred that light source can export for optical fiber 8, light source
It is adapter at entrance 1,8 end of optical fiber can be fixed at the front focal plane of lens.It can also directly be placed at light source entrance 1
The LED light source of specific wavelength.
In the present embodiment, the light source of light source entrance 1 after first lens 3 collimation, is incident on by the saturating of glass tube 5 and two sides
In the container that mirror collectively constitutes, this region is resolution area, and light is collected by the second lens 4 after digestion solution, focuses on detector
On 6.Lens two sides are provided with sealing ring.
In the present embodiment, detector 6 can directly be photodiode, and optical fiber 8 also can be used and export signal.Consider
Influence of the temperature to photodiode, it is preferred that be adapter at detector 6, adapter connects optical fiber 8, collects and passes through second
The focusing light intensity of lens 4, and light intensity is exported to external photodiode.
In the present embodiment, glass tube 5 can be made of the material of common acid-fast alkali-proof, without considering 5 pairs of light of glass tube
Absorptivity.It can be to avoid the quartz glass for using valuableness.5 both ends of glass tube can have sealing ring, and sealing ring is embedded in groove,
Prevent generation deformation in extrusion process from causing poorly sealed situation.
In the present embodiment, heating module 7 wraps glass tube 5, can have heat-conducting silicone grease among the two, will be in glass tube 5
The liquid in portion is heated to digestion condition.Heating module 7 can be used heating wire winding also and the progress of the heating materials such as PTC can be used
Heating, such as heated using PTC, PTC heating is more quick, safe, uniform, and can also realize automatic constant-temperature function.Heating
It can also include temperature element 13, such as PT100 in module 7.
In the present embodiment, the first liquid entrance 9 and second liquid entrance 10 can be located at the first lens 3 and glass tube
In the part that 5 connected parts, the second lens 4 are connected with glass tube 5, liquid entrance is vertical with glass tube 5, and is close to saturating
Mirror, two liquid entrance skew symmetry arrangements.
There are apertures to run through for the connector that light source entrance 1 is connect with the first lens 3, may be implemented to radiate, inside and outside holding
Air pressure is consistent.
There are apertures to run through for the connector that light source outlet 2 is connect with the second lens 4, may be implemented to radiate, inside and outside holding
Air pressure is consistent.
In the present embodiment, as shown in Fig. 2, this resolution colorimetric device in use, in order to when liquid is discharged by liquid
It flows completely out, needs to guarantee that it is in heeling condition (30 ° -45 °), the liquid entrance of lower end is in minimum position.It is a certain amount of
Sample and reagent by pump transport, from lower end, liquid entrance enters cuvette up to a small amount of from upper end liquid entrance
After spilling, illustrate that cuvette is completely filled with by sample.Light source is opened at this time, and detector 6 receives signal I1, and I1 can be at this time
Voltage at this time is also possible to the measurement carried out after topping-up during cleaning resolution cup.Then heating module 7 works,
Solution carries out resolution reaction and develops the color, until resolution is completed.The signal I2 that record detector 6 receives at this time, at data
Absorbance is obtained after reason unit, absorbance is compareed with calibration curve, the concentration value of test substance is calculated.
In the embodiment of the present application, a kind of resolution colorimetric device is provided, which includes light source entrance 1, light
Source exports the 2, first lens 3, the second lens 4, glass tube 5, detector 6 and heating module 7；The setting of light source entrance 1 is saturating first
On first focal plane of mirror 3, the optical signal across light source entrance 1 is irradiated on the first lens 3；First lens 3 and the second lens 4 are flat
Row setting, is provided with glass tube 5 between the first lens 3 and the second lens 4, the first lens 3, the second lens 4 and glass tube 5 are constituted
Area is cleared up, optical signal is incident on inside glass tube 5 after the first lens 3 will collimate；Heating module 7 wraps glass tube 5,
For heatable glass tube 5；Light source outlet 2 is arranged on the second focal plane of the second lens 4, optical signal behind 5 inside of glass tube,
It is collected by the second lens 4, and after the focusing of the second lens 4, is incident on light source outlet 2；Light source outlet 2 is connect with detector 6.
Using above-mentioned resolution colorimetric device, required amount of reagent is than existing market product (such as vertical pipe structure) in the present embodiment
It is much smaller, in the case where amount of reagent changes lesser situation, realize the variable and controllable of light path.It only needs to change intermediate glass tube 5
Can be thus achieved the change of light path, optical length then high sensitivity, cuvette of the invention is not necessarily to special processing, the lens used with
Glass tube 5 is standard component, reduce costs improve quality controllability and equipment safeguard replaceability.
Further, further includes: optical fiber 8；The setting of optical fiber 8 is between light source outlet 2 and detector 6, for going out light source
Mouthfuls 2 optical signal transmission is to detector 6.
Further, detector 6 includes: photodiode and first adapter；
First adapter is connect with optical fiber 8, for collecting the optical signal of the transmission of optical fiber 8, and optical signal is exported to photoelectricity
Diode.
Further, the first liquid entrance 9, the second lens 4 and glass are additionally provided between the first lens 3 and glass tube 5
Second liquid entrance 10 is additionally provided between glass pipe 5.
Further, the two sides of resolution colorimetric device are arranged in the first liquid entrance 9 and second liquid entrance 10, the
One liquid entrance 9 and the arrangement of 10 skew symmetry of second liquid entrance.
Further, 5 both ends of glass tube are respectively arranged with sealing ring.
Further, light source entrance 1 is connect with the first lens 3 by the second connector, light source outlet 2 and the second lens 4
It is connected by third connector；
Aperture is provided through on second connector and third connector.
Further, heating module 7 is heater strip.
Further, heat-conducting silicone grease is provided between heating module 7 and glass tube 5.
As depicted in figs. 1 and 2, the present invention also provides a kind of one embodiment for clearing up colorimetric equipment, including above-mentioned implementation
Example any one resolution colorimetric device, extruding nut 11 and fixed frame 12；Resolution colorimetric device is fixed on by squeezing nut 11
On fixed frame 12.
It squeezes nut 11 entire resolution colorimetric module is fixed on fixed frame 12, screws and squeeze nut 11, may be implemented
Extruding to the sealing ring at 5 both ends of glass tube thereby may be ensured that 5 both ends of glass tube are bonded completely with the fixing piece of design, real
Existing sealing effect.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of resolution colorimetric device characterized by comprising
Light source entrance, light source outlet, the first lens, the second lens, glass tube, detector and heating module；
The light source entrance is arranged on the first focal plane of first lens, and the optical signal across the light source entrance is irradiated to
On first lens；
First lens and second lens are arranged in parallel, and are arranged between first lens and second lens
State glass tube, first lens, second lens and the glass tube constitute resolution area, and the optical signal is by described the
After one lens will collimate, it is incident on glass tube；
The heating module wraps the glass tube, for heating the glass tube；
The light source outlet is arranged on the second focal plane of second lens, and the optical signal passes through the glass tube
Afterwards, it is collected by second lens, and after second lens focus, is incident on the light source outlet；
The light source outlet is connect with the detector.
2. resolution colorimetric device according to claim 1, which is characterized in that further include: optical fiber；
The optical signal of the optical fiber setting between light source outlet and the detector, for exporting the light source
It is transferred to the detector.
3. resolution colorimetric device according to claim 2, which is characterized in that the detector include: photodiode and
First adapter；
The first adapter is connect with the optical fiber, for collecting the optical signal of optical fiber transmission, and by the light
Signal is exported to the photodiode.
4. resolution colorimetric device according to claim 3, which is characterized in that between first lens and the glass tube
It is additionally provided with the first liquid entrance, is additionally provided with second liquid entrance between second lens and the glass tube.
5. resolution colorimetric device according to claim 4, which is characterized in that the first liquid entrance and described second
The two sides of the resolution colorimetric device, the first liquid entrance and the second liquid entrance is arranged in liquid entrance
Skew symmetry arrangement.
6. resolution colorimetric device according to claim 5, which is characterized in that the glass tube both ends are respectively arranged with sealing
Circle.
7. resolution colorimetric device according to claim 6, which is characterized in that the light source entrance and first lens are logical
The connection of the second connector is crossed, the light source outlet is connect with second lens by third connector；
Aperture is provided through on second connector and the third connector.
8. resolution colorimetric device according to claim 8, which is characterized in that the heating module is heater strip or PTC
Heating sheet.
9. resolution colorimetric device according to claim 9, which is characterized in that the heating module and the glass tube it
Between be provided with heat-conducting silicone grease.
10. a kind of resolution colorimetric equipment, which is characterized in that including the resolution colorimetric dress such as claim 1 to 9 as described in any one
It sets, squeeze nut and fixed frame；
The resolution colorimetric device is fixed on the fixed frame by squeezing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594908.4A CN109444132A (en) | 2018-12-25 | 2018-12-25 | A kind of resolution colorimetric device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594908.4A CN109444132A (en) | 2018-12-25 | 2018-12-25 | A kind of resolution colorimetric device and equipment |
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| Publication Number | Publication Date |
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| CN109444132A true CN109444132A (en) | 2019-03-08 |
Family
ID=65535643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594908.4A Pending CN109444132A (en) | 2018-12-25 | 2018-12-25 | A kind of resolution colorimetric device and equipment |
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| CN (1) | CN109444132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229797A (en) * | 2020-09-29 | 2021-01-15 | 江西怡杉环保股份有限公司 | Novel cuvette for water quality online monitoring equipment |
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| CN108169130A (en) * | 2017-12-28 | 2018-06-15 | 安徽皖仪科技股份有限公司 | A kind of double light path colorimetric devices of dual wavelength for CODcr water quality on-line monitoring instruments |
| CN208043521U (en) * | 2018-03-21 | 2018-11-02 | 苏州源泓环保科技有限公司 | Clear up colorimetric modular structure |
| CN209640226U (en) * | 2018-12-25 | 2019-11-15 | 广州市怡文环境科技股份有限公司 | A kind of resolution colorimetric device and equipment |
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| CN112229797A (en) * | 2020-09-29 | 2021-01-15 | 江西怡杉环保股份有限公司 | Novel cuvette for water quality online monitoring equipment |
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